There are beliefs and customs within organized religion which must not be tampered with or criticized. They are to be given respect and reverence, and not to be examined too closely. The “rules” about these things are either clearly spoken or silently implied. To do otherwise is sacred cow tipping. (If you’re not from around here, that’s sneaking up on a sleeping cow and pushing it over for fun.) 

We love the (big C) Church and it’s because we do that we dare to tip over some of these sacred cows that we find in (little c) church. Some of them may seem harmless, but they can and do lead to confusion at the least, and heavy burdens at the worst.